Question

Find the sum of natural number of three
digit numbers which are divisible by 2 and 5 both​

Answer 1

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And greatest 3 digit number divisible by 5 is = 995. Then , A.P. will be : 100 + 105 + 110.....................995. So , the three digits number which is divisible by 5 is 180.

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Answer 2

Step-by-step explanation:

here is the answer

the no. are 100+110+120+......900

then

no. of terms

900=100+(n-1)10

n=81

then

sum is

81/2 (200+800)

=500×81

=40500

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